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run code in 300+ PHP versions simultaneously
<?php trait Foo{ final private function baz(){} } class Bar{ use Foo; private function baz(){} }
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.1, 8.3.3 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
Warning: Private methods cannot be final as they are never overridden by other classes in /in/EUlbU on line 4
Output for 8.3.2
Warning: Private methods cannot be final as they are never overridden by other classes in /in/EUlbU on line 4 Warning: Private methods cannot be final as they are never overridden by other classes in /in/EUlbU on line 7
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33

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99.11 ms | 1599 KiB | 4 Q